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Finding the Fourth Proportional to 53,868.60, 80,802.90 and 14,424.70

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Solution

The fourth proportional to 53,868.60, 80,802.90 and 14,424.70 is: 21,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,868.60 : 80,802.90 = 14,424.70 : x
  2. Step 2: Convert to fraction form
    53,868.60/80,802.90 = 14,424.70/x
  3. Step 3: Cross multiply
    53,868.60x = 80,802.90 × 14,424.70
  4. Step 4: Simplify right side
    53,868.60x = 1,165,557,591.63
  5. Step 5: Solve for x
    x = 1,165,557,591.63/53,868.60
  6. Step 6: Final answer
    x = 21,637.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.